<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <link rel="stylesheet" href="task07.css">
        <script src="task07.js"></script>
        <title>IFE JavaScript Task 07</title>
    </head>
    <body>
        <input type="number" placeholder="2~5" min="2" max="5" id="height">
        <button id="btnCreateTree">生成满二叉树</button>
        <button id="btnPre">先序遍历</button>
        <button id="btnIn">中序遍历</button>
        <button id="btnPost">后序遍历</button>
        <div id="root" class="green"></div>
    </body>
</html>
